﻿using System;
/*
 * Write a program that reads the radius r of a circle and prints its perimeter and area.
 */

class PrintSum
{
    static void Main(string[] args)
    {
        Console.WriteLine("Enter the size of the radius of the circle:");
        double circleRadius = Convert.ToDouble(Console.ReadLine());
        double circlePerimeter = 2 * Math.PI * circleRadius;
        Console.WriteLine("The perimeter of the circle with radius {0} is {1}", circleRadius, circlePerimeter);
        double circleArea = Math.PI * Math.Pow(circleRadius, 2);
        Console.WriteLine("The perimeter of the circle with radius {0} is {1}", circleRadius, circleArea);
    }
}

